Portland — The U.S. Army Corps of Engineers has awarded a $6.2 million contract to Oregon Department of Fish and Wildlife to operate and maintain the Bonneville Fish Hatchery, on the Columbia River.

The contract is for one year, with two consecutive option years, if exercised, in order to produce fall Chinook salmon to aid in mitigation obligations for The Dalles and John Day dams, the Corps announced in a news release.